///*
// * Copyright 2002-2022 the original author or authors.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      https://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//package org.springframework.http.converter;
//
//import kotlinx.serialization.KSerializer;
//import kotlinx.serialization.SerializationException;
//import kotlinx.serialization.StringFormat;
//import org.springframework.http.HttpInputMessage;
//import org.springframework.http.HttpOutputMessage;
//import org.springframework.http.MediaType;
//import org.springframework.lang.Nullable;
//import org.springframework.util.StreamUtils;
//
//import java.io.IOException;
//import java.nio.charset.Charset;
//import java.nio.charset.StandardCharsets;
//
///**
// * Abstract base class for {@link HttpMessageConverter} implementations that
// * defer to Kotlin {@linkplain StringFormat string serializers}.
// *
// * @author Andreas Ahlenstorf
// * @author Sebastien Deleuze
// * @author Juergen Hoeller
// * @author Iain Henderson
// * @author Arjen Poutsma
// * @since 6.0
// * @param <T> the type of {@link StringFormat}
// */
//public abstract class KotlinSerializationStringHttpMessageConverter<T extends StringFormat>
//		extends AbstractKotlinSerializationHttpMessageConverter<T> {
//
//
//	/**
//	 * Construct an {@code KotlinSerializationStringHttpMessageConverter} with format and supported media types.
//	 */
//	protected KotlinSerializationStringHttpMessageConverter(T format, MediaType... supportedMediaTypes) {
//		super(format, supportedMediaTypes);
//	}
//
//
//	@Override
//	protected Object readInternal(KSerializer<Object> serializer, T format, HttpInputMessage inputMessage)
//			throws IOException, HttpMessageNotReadableException {
//
//		Charset charset = charset(inputMessage.getHeaders().getContentType());
//		String s = StreamUtils.copyToString(inputMessage.getBody(), charset);
//		try {
//			return format.decodeFromString(serializer, s);
//		}
//		catch (SerializationException ex) {
//			throw new HttpMessageNotReadableException("Could not read " + format + ": " + ex.getMessage(), ex,
//					inputMessage);
//		}
//	}
//
//	@Override
//	protected void writeInternal(Object object, KSerializer<Object> serializer, T format,
//			HttpOutputMessage outputMessage) throws IOException, HttpMessageNotWritableException {
//
//		try {
//			String s = format.encodeToString(serializer, object);
//			Charset charset = charset(outputMessage.getHeaders().getContentType());
//			outputMessage.getBody().write(s.getBytes(charset));
//			outputMessage.getBody().flush();
//		}
//		catch (SerializationException ex) {
//			throw new HttpMessageNotWritableException("Could not write " + format + ": " + ex.getMessage(), ex);
//		}
//	}
//
//	private static Charset charset(@Nullable MediaType contentType) {
//		if (contentType != null && contentType.getCharset() != null) {
//			return contentType.getCharset();
//		}
//		return StandardCharsets.UTF_8;
//	}
//}
